[sdiy] Weird tubular, grey (sometimes blue) resistors

[Eric Brombaugh]

On Nov 13, 2007, at 6:45 PM, Ian Fritz wrote:

> At 05:34 PM 11/13/2007, Eric Brombaugh wrote:
>
>> Yeah - I got that too. My point was that nobody seems to have come  
>> up with an equivalent inverse inductance nomenclature. At least it  
>> doesn't pop up in the first few references on Google.
>
> In AC circuit theory -j/2*pi*L is the susceptance of an inductor.  
> (Susceptance = 1/Impedance).  Somewhat useful for parallel circuits.

Well yeah - susceptance is the imaginary part of admittance and is  
measured in siemens. But it's not specific to an inductor the way  
henrys (henries?) are or the way farads/darafs are to a capacitor. So  
I guess the question is not "What is -j/2*pi*L called?" but rather  
"What's 1/L called?". And since Wikipedia (known font of wisdom and  
accuracy) mentions that darafs are not an approved SI unit, I guess  
this is all just for fun anyway. Are we still having fun? :)

Eric